Speed of sound in air is _______km/h?
Speed of sound in air is _______km/h?
A. 1347
B. 243
C. 1235
D. 1495
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Atom is made up of____________different kinds of subatomic particles:
Atom is made up of____________different kinds of subatomic particles:A. Three
B. Two
C. Four
D. NoneThe position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called ___________?
The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called ___________?
A. Aphelion
B. Perihelion
C. Perigee
D. Apogee
E. None of theseThe earth’s ___________ is divided into 15 major plates of various sizes
The earth’s ___________ is divided into 15 major plates of various sizes
A. Mesosphere
B. Stratosphere
C. Lithosphere
D. NoneThe fourth state of matter is?
The fourth state of matter is?A. Water
B. Salts
C. Vapours
D. PlasmaWisdom teeth normally grow between the age of___________?
Wisdom teeth normally grow between the age of___________?A. 34-40
B. 17-30
C. 45-55
D. 10-17The most important function of perspiration is?
The most important function of perspiration is?A. Get rid of body waste
B. Regulate body temperature
C. Regulate body waste
D. Lubricate the skin